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Why do some functions have underscores “__” before and after the function name?
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Raymond also explains why you'd want the name mangling behavior starting at around 34 minutes into this video: youtube.com/watch?v=HTLu2DFOdTg
– johncip
May 26 '14 at 6:42
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How to implement a secure REST API with node.js
I start planning a REST API with node.js ,express and mongodb. The API provides data for a website (public and private area) and maybe later a mobile app. The frontend will be developed with AngularJS.
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Any difference between First Class Function and High Order Function
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Exactly Ben. I was thinking those two are both a property for function hence I was confused. Thanks your comments.
– Simon
Apr 17 '12 at 12:34
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Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
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What does principal end of an association means in 1:1 relationship in Entity framework
...dent. Principal end is the one which will be inserted first and which can exist without the dependent one. Dependent end is the one which must be inserted after the principal because it has foreign key to the principal.
In case of entity framework FK in dependent must also be its PK so in your case...
Which, if any, C++ compilers do tail-recursion optimization?
...htforward: Just switch on optimisation for speed:
For MSVC, use /O2 or /Ox.
For GCC, Clang and ICC, use -O3
An easy way to check if the compiler did the optimisation is to perform a call that would otherwise result in a stack overflow — or looking at the assembly output.
As an interesting his...
Prepend a level to a pandas MultiIndex
I have a DataFrame with a MultiIndex created after some grouping:
5 Answers
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Run two async tasks in parallel and collect results in .NET 4.5
...t this wrong was answer until I ran it. then I understood. It really does execute in 5 seconds. The trick is to NOT await the tasks immediately, instead await on Task.WhenAll.
– Tim Lovell-Smith
Apr 3 '14 at 9:13
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Importing from builtin library when module with same name exists
...a now-deprecated approach.
The importlib documentation here gives a good example of the more appropriate way to load a module directly from a file path for python >= 3.5:
import importlib.util
import sys
# For illustrative purposes.
import tokenize
file_path = tokenize.__file__ # returns "/pa...
Rebase a single Git commit
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You can cherry-pick XX to master.
git checkout master
git cherry-pick <commit ID of XX>
And remove the last commit from the feature branch with git reset.
git checkout Feature-branch
git reset --hard HEAD^
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